Home / 15,890.03-21,927.35-9,175.25

Finding the Fourth Proportional to 15,890.03, 21,927.35 and 9,175.25

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Solution

The fourth proportional to 15,890.03, 21,927.35 and 9,175.25 is: 12,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.03 : 21,927.35 = 9,175.25 : x
  2. Step 2: Convert to fraction form
    15,890.03/21,927.35 = 9,175.25/x
  3. Step 3: Cross multiply
    15,890.03x = 21,927.35 × 9,175.25
  4. Step 4: Simplify right side
    15,890.03x = 201,188,762.57
  5. Step 5: Solve for x
    x = 201,188,762.57/15,890.03
  6. Step 6: Final answer
    x = 12,661.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.